What is the structure of a ribosome? need asap!

The Ribosome is the cellular structure and location of translation, or protein synthesis. It is composed of rRNA and protein.  Protein is needed for many cell functions such as repairing damage or directing chemical process. Ribosome can be found floating within the cytoplasm or attached to the endoplasmic reticulum. The location of the ribosomes in a cell determines what kind of protein it makes. If the ribosomes are floating freely throughout the cell, it will make proteins that will be utilized within the cell itself. When ribosomes are attached to endoplasmic reticulum, it is referred to as rough endoplasmic reticulum or rough ER. Proteins made on the rough ER are used for usage inside the cell or outside the cell.

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